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We investigate femtosecond spatiotemporal dynamics in waveguide arrays. Experiments use an ultrafast cross-correlator tracing the Light Bullet evolution. Simulations with higher-order effects underline the solitary nature of the observed wavepackets.
We investigate the propagation of ultrashort pulses in 2D fibre arrays both numerically and experimentally. The nonlinearity suppresses discrete diffraction and dispersion, leading to spatiotemporal contraction, as well as pulse breaking and supercontinuum (SC) generation.
In this paper, we present major improvements in nonlinear field, since we have been able to fabricate homogeneous fiber bundles, which allow us to study the clean spatial nonlinear dynamics of light. Furthermore, it becomes possible to observe the combined effects of temporal and spatial dynamics.
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